8451090447 has 16 divisors (see below), whose sum is σ = 11300208000. Its totient is φ = 5618037600.

The previous prime is 8451090421. The next prime is 8451090449. The reversal of 8451090447 is 7440901548.

It is not a de Polignac number, because 8451090447 - 2⁶ = 8451090383 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8451090399 and 8451090408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8451090449) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3548197 + ... + 3550577.

It is an arithmetic number, because the mean of its divisors is an integer number (706263000).

Almost surely, 2^8451090447 is an apocalyptic number.

8451090447 is a deficient number, since it is larger than the sum of its proper divisors (2849117553).

8451090447 is a wasteful number, since it uses less digits than its factorization.

8451090447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5254.

The product of its (nonzero) digits is 161280, while the sum is 42.

The square root of 8451090447 is about 91929.8126126666. The cubic root of 8451090447 is about 2036.9056675542.

The spelling of 8451090447 in words is "eight billion, four hundred fifty-one million, ninety thousand, four hundred forty-seven".